Youngwook Ahn

Title: Youngwook Ahn: Innovator in High-Band Speech Coding Technologies

Introduction

Youngwook Ahn is a notable inventor based in Daejeon-si, South Korea. With a keen focus on advancing speech coding technologies, Ahn holds a patent that significantly contributes to the field of audio processing.

Latest Patents

Ahn's primary patent, titled "High-band speech coding apparatus and high-band speech decoding apparatus in wide-band speech coding/decoding system and high-band speech coding and decoding method performed by the apparatuses," presents innovative technology designed to reproduce high-quality sound even at low bitrates. This invention utilizes a bandwidth extension function in wideband speech encoding and decoding systems, ensuring clarity and quality in audio reproduction.

The high-band speech encoding apparatus comprises two main units: a first encoding unit that encodes a high-band speech signal using a combination of harmonic and stochastic structures if a harmonic component is present, and a second encoding unit that encodes based solely on stochastic structure when there are no harmonic components. Additionally, the associated decoding apparatus features a similar dual structure, enabling flexible decoding based on mode selection information.

Career Highlights

Youngwook Ahn is currently affiliated with Samsung Electronics Co., Ltd., where he applies his expertise in speech coding technology. His work contributes to enhancing audio quality in various applications and devices manufactured by the company. Ahn's inventive approach has positioned him as a valuable asset in the competitive landscape of electronics and communication technologies.

Collaborations

Throughout his career, Ahn has collaborated with several esteemed colleagues, including Kangeun Lee and Changyong Son. These partnerships foster innovation and enable the sharing of diverse ideas, strengthening the overall technological advancements pursued by their team at Samsung Electronics Co., Ltd.

Conclusion

Youngwook Ahn's contributions to high-band speech coding apparatuses and methods showcase his dedication to improving audio technology. His innovative patent highlights the importance of maintaining sound quality while optimizing bandwidth usage. As he continues his work at Samsung Electronics Co., Ltd., Ahn remains a pivotal figure in the advancement of speech coding technologies in the digital age.